Title:
RELEASANT COMPOSITION FOR PRESSURE-SENSITIVE SILICONE ADHESIVE AND RELEASE FILM
Document Type and Number:
WIPO Patent Application WO/2018/235796
Kind Code:
A1
Abstract:
The releasant composition for pressure-sensitive silicone adhesives according to the present invention comprises (A) an organopolysiloxane represented by the average rational formula
(R1
3SiO1/2)a(R1
2SiO2/2)b(R1SiO3/2)c(SiO4/2)d
(wherein the R1 moieties are the same or different and each represent a C1-12 alkyl, C2-12 alkenyl, C6-12 aryl, C7-12 aralkyl, or C1-12 fluoroalkyl group, provided that at least two R1 moieties per molecule are said alkenyl groups, the content of the alkenyl groups in terms of vinyl content is at most 0.1 mass%, and the content of fluorine atoms attributable to the fluoroalkyl group(s) is at least 36 mass%; a is a positive number; b is a positive number; c is 0 or a positive number; and d is 0 or a positive number), (B) an organopolysiloxnae having at least two silicon-atom-bonded hydrogen atoms in the molecule, and (C) a hydrosylilation catalyst. With the releasant composition for pressure-sensitive silicone adhesives, it is possible to form a release film showing low peel force in separation from pressure-sensitive silicone adhesives.
Inventors:
OKAWA TADASHI (JP)
SUTO MICHITAKA (JP)
ONODERA SATOSHI (JP)
NISHIJIMA KAZUHIRO (JP)
TANAKA HIDEFUMI (JP)
FURUKAWA HARUHIKO (JP)
SUTO MICHITAKA (JP)
ONODERA SATOSHI (JP)
NISHIJIMA KAZUHIRO (JP)
TANAKA HIDEFUMI (JP)
FURUKAWA HARUHIKO (JP)
Application Number:
PCT/JP2018/023211
Publication Date:
December 27, 2018
Filing Date:
June 19, 2018
Export Citation:
Assignee:
DOW CORNING TORAY CO LTD (JP)
International Classes:
C09D183/07; B32B27/00; C09D7/60; C09D183/05; C09J7/40; C09J183/04
Foreign References:
| JPH02245031A | 1990-09-28 | |||
| JP2016183291A | 2016-10-20 | |||
| JPH02245031A | 1990-09-28 | |||
| JP2016183291A | 2016-10-20 |
Other References:
See also references of EP 3643760A4
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